Removed the call to disablePort when deleting ports, as this is no longer necessary and introduces a race.  Cleaned up some of the port listener code
Removed the call to disablePort when deleting ports, as this is no longer necessary and introduces a race.  Cleaned up some of the port listener code

control-center/serviced,control-center/serviced,control-center/serviced,control-center/serviced,control-center/serviced,control-center/serviced,control-center/serviced,control-center/serviced